Thermal Network Speed dome·Quick Start Guide
19
6
Appendix
6.1
Common Material Emissivity Reference
Material
Temperature (° C/° F)
Emissivity
Water
0 to 100/32 to 212
0.95~0.98
Soil (Dry)
20/68
0.92
Soil (Moist)
20/68
0.95
Wood
17/62.6
0.962
Sand
20/68
0.9
Sandstone
19/66.2
0.909~0.935
PVC (Polyvinyl Chloride)
70/158
0.93
Pitch
20/68
0.967
Paint
70/158
0.92~0.94
Wallpaper
20/68
0.85~0.90
Cloth
20/68
0.98
Concrete
20/68
0.92
Pavement
5/41
0.974
Smooth Porcelain
20/68
0.92
Ceramic
17/62.6
0.94
Plaster
17/62.6
0.86
Brick
35/95
0.94
Ebonite
0 to 100/32 to 212
0.89
Carbon
20 to 400/68 to 752
0.95~0.97
Granite (Rough)
20/68
0.879
CRS ( Cold Rolled Steel )
70/158
0.09
Cupric Oxide
50/122
0.88
Copper
20/68
0.07
Copper Oxide
50/122
0.6~0.7